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The study to evaluate the efficacy of hair growth by royal jelly lotion application

The study to evaluate the efficacy of hair growth by royal jelly lotion application: randomized double-blind placebo-controlled trial - The study to evaluate the efficacy of hair growth by royal jelly lotion application: randomized double-blind placebo-controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000055983
Enrollment
70
Registered
2024-11-18
Start date
2024-12-14
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy adult

Interventions

Apply test cosmetics to the scalp during 12 weeks. Apply placebo cosmetics to the scalp during 12 weeks.

Sponsors

Yamada Bee Company, Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Subjects who have indicated their intention to participate in the study, understand the explanations given, and have obtained informed consent. 2) Healthy Japanese males and females between the ages of 30 and 69 who have not violated the exclusion criteria. 3) Subjects with feelings of thinning hair and hair loss. 4) Subjects who can fill out consent forms, questionnaires, and use a diary.

Exclusion criteria

Exclusion criteria: 1) Patients with pathological hair loss such as alopecia areata and androgenetic alopecia. 2) Have a scalp disorder other than alopecia (eczema, psoriasis, tinea capitis, or other scalp infections). 3) Persons with underactive or abnormal thyroid function. 4) Persons with atopic dermatitis. 5) Persons with sun sensitivity. 6) Have ever experienced hypersensitivity to hair restorers, shampoos, or other external medicines. 7) Persons who have experienced hypersensitivity to rubbing alcohol, hair growth products, or other cosmetics containing alcohol. 8) Pregnant, lactating, or intending to become pregnant. 9) Received hormone replacement therapy within the past year or are taking oral contraceptives. 10) Received radiation therapy to the head or cancer chemotherapy treatment within the past 6 months. 11) Persons undergoing hair transplantation or hair extension treatment. 12) Those who have used medicinal hair-growth agents (finasteride, minoxidil, carpronium chloride, etc.) or quasi-drugs for hair growth within the past 6 months. 13) Persons who habitually apply or ingest other topical or oral medications, or dietary supplements that may affect the scalp or hair. 14) Persons with a remarkably high percentage of gray hair on the head. 15) Persons who wear hats, helmets, wigs, etc. during the examination period. 16) Persons who consume excessive amounts of alcohol. 17) Persons with a history of serious hepatic, renal, cardiac disease, circulatory system disease, or psychiatric disease. 18) Have a family who works for a pharmaceutical or cosmetics company. 19) Persons who are currently participating or have participated within the past 3 months in clinical trials, usage surveys, or product monitoring related to cosmetics, and pharmaceuticals. 20) Other subjects deemed ineligible for this study by the principal investigator.

Design outcomes

Primary

MeasureTime frame
Total hair count after 12 weeks application

Secondary

MeasureTime frame
Hair thickness after 12 weeks application Hair length after 12 weeks application Ratio anagen hairs after 12 weeks application Ratio terminal hairs after 12 weeks application Hydration level of scalp after 12 weeks application FPHL-SI after 12 weeks application Hair diagnosis after 12 weeks application Hair gloss after 12 weeks application Subjective evaluation after 12 weeks application

Countries

Japan

Contacts

Public ContactKanako Sakurai

Inforward, inc Ebisu Skin Research Center

sakurai@inforward.co.jp03-5793-8712

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026